55986392408 has 32 divisors (see below), whose sum is σ = 110791128000. Its totient is φ = 26449869600.

The previous prime is 55986392377. The next prime is 55986392411. The reversal of 55986392408 is 80429368955.

It is a super-2 number, since 2×55986392408² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428318 + ... + 543533.

It is an arithmetic number, because the mean of its divisors is an integer number (3462222750).

Almost surely, 2^55986392408 is an apocalyptic number.

It is an amenable number.

55986392408 is a deficient number, since it is larger than the sum of its proper divisors (54804735592).

55986392408 is a wasteful number, since it uses less digits than its factorization.

55986392408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972255 (or 972251 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 55986392408 in words is "fifty-five billion, nine hundred eighty-six million, three hundred ninety-two thousand, four hundred eight".